Individual Calculations September 2022
 Dabiri, Kasra  Total change: -15.20  Rating chartPersonal card
 10th Qazvin Cup Group B (U 1800) Qazvin IRI 2022-07-25
RcRownchangeKK*chgGame
 1395 1550 4.50 8 -0.89 40 -35.60 
  Karimi Soureh, Kiarash 1367 IRI1.0010.264010.40 
  Majidzadeh, Amirhossein 1734 IRI0.001-0.2640-10.40 
  Raji Ghasemi, Mohammad Danial 1240 IRI1.0010.14405.60 
  Shaabani, Amin 1791 IRI0.5010.304012.00 
  Sharafi, Amirhossein 1167 IRI0.001-0.9140-36.40 
  Nasiri, Abolfazl 1150  * IRI1.0010.08403.20 
  Rasi, Davood 1389 IRI0.001-0.7140-28.40 
  Kamran Nia, Helia 1320 IRI1.0010.21408.40 
 * Rating difference of more than 400. Please read more at FIDE Handbook

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 
 1st IRCF Standard Tournament 1401 Tehran IRI 2022-08-15
RcRownchangeKK*chgGame
 1348 1573 5.00 6 0.51 40 20.40 
  Kiani Fotovat, Mohamad Matin 1290 IRI1.0010.16406.40 
  Mohammadi, Mohamad Amin 1810 IRI0.001-0.2040-8.00 
  Ali Hoseini, Arsam 1164 IRI1.0010.08403.20 
  Raygantafrashi, Sara 1312 IRI1.0010.18407.20 
  Rezaei, Mobina 1169 IRI1.0010.08403.20 
  Bazmeh, Fahimeh 1343 IRI1.0010.21408.40 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 

 

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